response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2861/launches (required, This URI must exactly match a value pre-registered with the platform)

response_mode: form_post (required, tools and platforms must support a value of form_post)

client_id: dvb-platform-20-apr (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InpYWThlakU5RU9RMkFEY2ppcTVtYnJ3T2ZqNktyRXBHWEZyZF9WYVcwYmsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyODYxLCJzdGF0ZV9ub25jZSI6IjNmMDE0YjEzMTM1MzFmZjJiMjE2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODYxIn0sImlzcyI6ImR2YiB0b29sIDIwIG5vdiIsInN1YiI6ImR2Yi1wbGF0Zm9ybS0yMC1hcHIiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zMTg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzUyNTQxOTIsImV4cCI6MTc3NTI1NDQ5MiwianRpIjoiMWNlM2U4ZDA5MWFlMDY0MWRiNzMifQ.mF9LgW-erJ52MkZ7IgzgoHBJvx3S0zKx-zEFBW4BA3zrQJhe62beWgF5xiuj3MclxH4UpK_Y9KqsbYw0rNy8sDJX5ujxhzgeap9zmHJeC8gQep2F_VakA55hl2CZVS8d4u3zfEkLcbVRGZsC6Jz7HVSgqQV_0l25jVfnAN25q1R2KHyHJGXTrOdEO7wH5OJ-QRRuf3Gm92PTLLao2z-TBVCMst8XigC3-srTONBVoU1BBOR9wX8q5745Vl1M5VblYWoDNzklqWW_IaXCxH5AhCmYUMOsIxOlJNxytYadav9e9el7R3JJR62T__rNIPrNumGV-hqLDNWmyvyQgd3X7g (required, opaque value used to maintain state between the request and the callback)

login_hint: (required, tools and platforms must support a value of form_post)

lti_message_hint: (required, a platform opaque identifier identifying the user to login)

prompt: none (optional, The tool should use a value of none. In the future a re-launch flow may support additional values being used here)

nonce: 3f014b1313531ff2b216 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)